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<h1>LengthIndexedLine.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: LengthIndexedLine.h 2809 2009-12-06 01:05:24Z mloskot $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span>
<a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00011"></a>00011 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00012"></a>00012 <span class="comment"> * by the Free Software Foundation.</span>
<a name="l00013"></a>00013 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> **********************************************************************</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * Last port: linearref/LengthIndexedLine.java rev. 1.10</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> **********************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef GEOS_LINEARREF_LENGTHINDEXEDLINE_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_LINEARREF_LENGTHINDEXEDLINE_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/geom/Coordinate.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/geom/Geometry.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <geos/linearref/LinearLocation.h></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">namespace </span>geos
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <span class="keyword">namespace </span>linearref <span class="comment">// geos::linearref</span>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032
<a name="l00044"></a><a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html">00044</a> <span class="keyword">class </span><a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html" title="Supports linear referencing along a linear Geometry using the length along the line as the index...">LengthIndexedLine</a>
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">private</span>:
<a name="l00047"></a>00047 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *linearGeom;
<a name="l00048"></a>00048 <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html" title="Represents a location along a LineString or MultiLineString.">LinearLocation</a> locationOf(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">public</span>:
<a name="l00051"></a>00051
<a name="l00059"></a>00059 <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a7f1fd2d3467a3bae6e28e2da893506f9" title="Constructs an object which allows a linear Geometry to be linearly referenced using length as an inde...">LengthIndexedLine</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *linearGeom);
<a name="l00060"></a>00060
<a name="l00072"></a>00072 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a6b80c5460decdea8001a10f6a87539e7" title="Computes the Coordinate for the point on the line at the given index. If the index is out of range th...">extractPoint</a>(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;
<a name="l00073"></a>00073
<a name="l00074"></a>00074
<a name="l00091"></a>00091 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a6b80c5460decdea8001a10f6a87539e7" title="Computes the Coordinate for the point on the line at the given index. If the index is out of range th...">extractPoint</a>(<span class="keywordtype">double</span> index, <span class="keywordtype">double</span> offsetDistance) <span class="keyword">const</span>;
<a name="l00092"></a>00092
<a name="l00103"></a>00103 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *<a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a20e3c3e6faa7183e23e3f9a312893aca">extractLine</a>(<span class="keywordtype">double</span> startIndex, <span class="keywordtype">double</span> endIndex) <span class="keyword">const</span>;
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00123"></a>00123 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a40f40d83b12ccdc464d04ab869a97c81">indexOf</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& pt) <span class="keyword">const</span>;
<a name="l00124"></a>00124
<a name="l00147"></a>00147 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a5aa1c0436999e2bd799f5a2905079c73">indexOfAfter</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& pt, <span class="keywordtype">double</span> minIndex) <span class="keyword">const</span>;
<a name="l00148"></a>00148
<a name="l00158"></a>00158 <span class="keywordtype">double</span>* <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#ab6f4d0d45a6e657f7baa0fe361555aaf">indicesOf</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *subLine) <span class="keyword">const</span>;
<a name="l00159"></a>00159
<a name="l00160"></a>00160
<a name="l00170"></a>00170 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a3da3ec0f862333ba52847414f1ed239e">project</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& pt) <span class="keyword">const</span>;
<a name="l00171"></a>00171
<a name="l00176"></a>00176 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a98ea7745c049335ca69ab733dc252a5e">getStartIndex</a>() <span class="keyword">const</span>;
<a name="l00177"></a>00177
<a name="l00182"></a>00182 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#aaf238c5e4be1f3f7d68a18e20af8310c">getEndIndex</a>() <span class="keyword">const</span>;
<a name="l00183"></a>00183
<a name="l00190"></a>00190 <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#a0f315b0ccf0a0a07b9188cb0e4584c16">isValidIndex</a>(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;
<a name="l00191"></a>00191
<a name="l00192"></a>00192
<a name="l00199"></a>00199 <span class="keywordtype">double</span> <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html#ada441865fae4714a7d1ba3d9820b04c9">clampIndex</a>(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;
<a name="l00200"></a>00200 };
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203 <span class="preprocessor">#endif</span>
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